Cleared Traditional

K894575 - TECHNICON RA SYSTEM THYROXINE T4 METHOD

K894575 is the FDA 510(k) clearance for TECHNICON RA SYSTEM THYROXINE T4 METHOD by Technicon Instruments Corp.. It is a Class 2 Chemistry device (product code CDX) cleared through the Traditional 510(k) pathway after a 75-day FDA review.

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Oct 1989
Decision
75d
Days
Class 2
Risk

K894575 is an FDA 510(k) clearance for the TECHNICON RA SYSTEM THYROXINE T4 METHOD. Classified as Radioimmunoassay, Total Thyroxine (product code CDX), Class II - Special Controls.

Submitted by Technicon Instruments Corp. (Tarrytown, US). The FDA issued a Cleared decision on October 4, 1989 after a review of 75 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1700 - the FDA in vitro diagnostics and chemistry framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Technicon Instruments Corp. devices

Submission Details

510(k) Number K894575 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 21, 1989
Decision Date October 04, 1989
Days to Decision 75 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
13d faster than avg
Panel avg: 88d · This submission: 75d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CDX Radioimmunoassay, Total Thyroxine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1700
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Chemistry devices follow this clearance model.

Regulatory Peers - CDX Radioimmunoassay, Total Thyroxine

All 68
Devices cleared under the same product code (CDX) and FDA review panel - the closest regulatory comparables to K894575.
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K905532 · Ciba Corning Diagnostics Corp. · Jan 1991
MICROZYME T4 ENZYME IMMUNOASSAY KIT
K902922 · Immunotech Corp. · Jul 1990
CLINICAL ASSAYS(TM) GAMMACOAT(TM) M [125I] T4
K901475 · Baxter Healthcare Corp · Jun 1990
DELFIA THYROXINE (T4) KIT
K883559 · Pharmacia, Inc. · Dec 1988
IMMPULSE T4 ASSAY REAGENTS
K875081 · Sclavo, Inc. · Feb 1988
CIBA CORNING MAGIC LITE FT4 IMMUNOASSAY
K872286 · Ciba Corning Diagnostics Corp. · Jul 1987